DC/ DC Converter
TEN 4 Series
4 Watt
Input Specifications
Input current no load / full load
24 Vin models
48 Vin models
20 mA / 400 mA typ. (at 12 VDC Vin)
20 mA / 200 mA typ. (at 24 VDC Vin)
6 mA / 200 mA typ. (at 24 VDC Vin)
6 mA / 100 mA typ. (at 48 VDC Vin)
Start-up voltage /
under voltage shut down
24 Vin models
48 Vin models
8.5 VDC / 8.0 VDC typ.
17 VDC / 16 VDC typ.
Surge voltage (1 sec. max.)
24 Vin models
48 Vin models
50 V max.
100 V max.
Reverse voltage protection
1.0 A max.
Conducted noise (input)
Output Specifications
Voltage set accuracy
EN 55022 level A, FCC part 15, level A
± 1 %
Regulation
– Input variation Vin min. to Vin max.
– Load variation 10 – 100 %
± 0.3 % max.
– single output models
– dual output models balanced load
– dual output models unbalanced load
± 1.0 % max.
± 1.0 % max.
± 3.0 % max.
Ripple and noise (20 MHz Bandwidth)
Temperature coefficient
50 mVpk-pk max
± 0.02 % / °C
Current limitation
> 110% of Iout max., constant current
Hiccup mode, indefinite (automatic recovery)
Short circuit protection
Capacitive load
– single output models
– dual output models
680 µF max.
300 µF max.
General Specifications
Temperature ranges
– Operating
– Case temperature
– Storage
– 40 °C ... + 75 °C (no derating)
+ 95 °C max.
– 40 °C ... + 125 °C
Humidity (non condensing)
95 % rel H max.
Reliability, calculated MTBF (MIL-HDBK-217 E)
>1 Mio. h @ + 25 °C
1’500 VDC
Isolation voltage
Input/ Output
Isolation capacity
Isolation resistance
Switching frequency
Safety standards
Input/ Output
380 pF typ
Input/ Output (500 VDC)
> 1‘000 M Ohm
350 kHz typ. (Pulse frequency modulation PFM)
UL 1950 , IEC 60950, EN 60950
Compliance up to 60 VDC input voltage
(SELV limit)
Safety approval
cUL / UL File E188913
All specifications valid at nominal input voltage, full load and +25°C after warm-up time unless otherwise stated.
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